China is the origin of the world's leading silicon metal, Chinese silicon metal export price is always low, coupled with low-level redundant construction and the race to cut prices on the Chinese domestic disorderly competition, make Chinese silicon metal export prices grossly low.
Chinese production of silicon metal (silicon content is 98.5%), the production of original metallurgical silicon, chemical metal silicon (silicon content is 99.85%) since the mid-1990s to develop, in recent years, the production and exports of chemical silicon in china grew rapidly.
Metal silicon (Si) is the industrial purification of elemental silicon, mainly for the production of organic silicon, preparation of high purity semiconductor materials and the preparation of special purpose alloys.
Silicon metal, also known as crystalline silicon or industrial silicon, its main use is as a non-iron-based alloy additives. Its add-on products include: microsilica, silicon edge leather, black silicon, silicon metal slag.
Industrial silicon, commonly known as metal silicon or silicon, strictly speaking, does not belong to the industrial silicon ferroalloy industry, traditionally used as industrial silicon smelting furnace, so make the industrial silicon into iron alloy industry.
According to metal powder supplier, silicon is widely distributed in the earth's crust, accounting for about a quarter of the total crust.
Silicon metal component is an important physical property of silicon metal. As the silicon metal more and more applied in people's daily lives and industrial production, the studies on silicon metal has very important significance.
Silicon is a semiconductor material can better stand up today's device technology development test than germanium. In 1966, it had been produced 40,000 kgsemiconductor grade silicon (ultra-pure single crystal silicon, the impurity content is less than 1/109), so that produce four billion components.
In the process of smelting ferrosilicon and industrial silicon, there are micro silicon flue gases. Thousands of ferrosilicon and industrial silicon furnace can produce about annual 250,000 tons of silicon powders.
The raw materials of smelting metallic silicon are mainly silica, carbonaceous reductant. Produce silicon metal choose the carbonaceous reducing principle is: high fixed carbon, low ash, chemical activity.
According to metal powder supplier, silicon is a non-metallic element. Elemental silicon has amorphous and crystalline two states.
Silicon is found in numerous compounds in the nature. Silicon is the key material for semiconductor devices. The advanced semiconductor technologies of today require mono crystalline Silicon with uniform chemical characteristics such as controlled dopant and oxygen content to produce quality devices.
Silicon carbide powder is micron graded silicon powder which use JZFZ equipment to conduct ultra-fine grinding. Currently, silicon carbide powders are mainly 1200 #, 1500 #.
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The silicon powder is the industrial dust that smelting ferrosilicon and industrial silicon recycle in flue gas purification device. China is a largest producer of international ferrosilicon and industrial silicon.